Definitions of constant

  1. a quantity that does not vary
  2. A number whose value, when ascertained ( as by observation) and substituted in a general mathematical formula expressing an astronomical law, completely determines that law and enables predictions to be made of its effect in particular cases.
  3. A number expressing some property or condition of a substance or of an instrument of precision; as, the dielectric constant of quartz; the collimation constant of a transit instrument.
  4. That which is not subject to change, as gravity.
  5. That which remains unchanged.
  6. That which remains unchanged, as the laws of gravity or the revolutions of the earth; a quantity which remains the same throughout a problem.
  7. Constantly.
  8. uninterrupted in time and indefinitely long continuing; " the ceaseless thunder of surf"; " in constant pain"; " night and day we live with the incessant noise of the city"; " the never- ending search for happiness"; " the perpetual struggle to maintain standards in a democracy"; " man's unceasing warfare with drought and isolation"; " unremitting demands of hunger"
  9. persistent in occurrence and unvarying in nature; " maintained a constant temperature"; " a constant beat"; " principles of unvarying validity"; " a steady breeze"
  10. steadfast in purpose or devotion or affection; " a man constant in adherence to his ideals"; " a constant lover"; " constant as the northern star"
  11. continually recurring or continuing without interruption; " constant repetition of the exercise"; " constant chatter of monkeys"
  12. Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle.
  13. Remaining unchanged or invariable, as a quantity, force, law, etc.
  14. Consistent; logical.
  15. A quantity that does not change its value; -- used in countradistinction to variable.
  16. Continuous; faithful; firm; steadfast; true; unchanging; regular.
  17. Fixed, unchangeable: continual: faithful.
  18. Fixed; unchangeable; faithful; continual.
  19. Steady; persevering; faithful; invariable.
  20. Fixed; firm; unchangeable; firm in mind or principle; steady; faithful in affection; without intermission.
  21. Firm; fixed; unchanged; steadfast; unchangeable, as in mind, purpose, affection, or principle; determined; invariably the same.
  22. Changeless; invariable; characters, structures.